Portion of a rolling cart



FIG. 1 is a perspective view of a first embodiment of a rolling cart showing our new design;

FIG. 2 is an enlarged top view thereof, wherein the frame members have been removed for clarity;

FIG. 3 is an enlarged bottom view thereof, wherein the frame members and casters have been removed for clarity;

FIG. 4 is a perspective view of a second embodiment of a rolling cart showing our new design;

FIG. 5 is an enlarged top view thereof, wherein the frame members have been removed for clarity; and,

FIG. 6 is an enlarged bottom view thereof, wherein the frame members and casters have been removed for clarity.

The broken lines showing portions of the rails, frame members, casters, and drawers form no part of the claimed design. The pairs of closely adjacent, spaced wavy, broken lines in the drawings represent boundaries of the claimed design and form no part of the claimed design. The portions between such pairs of wavy, broken lines are broken away to disclose indeterminate length. The mesh material that may be visible through holes in the mesh has been removed for clarity. 

The ornmental design for a portion of a rolling cart, as shown and described. 